Stocks are falling sharply again as trade tensions heat up between the U.S. and China.

The Dow Jones industrial average fell as much as 620 points in afternoon trading Friday, its latest big swing this week.

Aerospace giant Boeing fell the most in the Dow, dropping 3.4 percent. Boeing and other industrial companies rely heavily on overseas sales and could suffer greatly if global commerce is curtailed by rising trade barriers.

Technology companies and banks also fell. Apple lost 2 percent and JPMorgan Chase gave up 2.9 percent.

Stocks are falling again as trade tensions heat up between the U.S. and China.

Technology companies, banks and industrial stocks were falling the most in midday trading Friday. Apple lost 1.4 percent and Boeing fell 2.6 percent.

The market has been on a bumpy ride this week as traders try to get a sense of whether a trade dispute between the two nations will escalate. President Donald Trump has proposed more tariffs on Chinese goods.

The S&P 500 fell 27 points, or 1 percent, to 2,635. The index is now down for the week.

The Dow Jones industrial average lost 346 points, or 1.4 percent, to 24,158. The Nasdaq composite declined 59 points, or 0.9 percent, to 7,016.

The yield on the 10-year Treasury fell to 2.78 percent.

___

9:35 a.m.

Stocks are opening lower after President Donald Trump proposed more tariffs on Chinese goods.

There wasn't much for investors to like in the government's latest jobs report either. Employers added 103,000 jobs last month, the weakest showing in months, and January and February's numbers were also revised lower.

The S&P 500 fell 11 points, or 0.4 percent, to 2,651.

The Dow Jones industrial average lost 152 points, or 0.6 percent, to 24,347. The Nasdaq composite declined 20 points, or 0.3 percent, to 7,056.